condition	mean	min	max
0 h after light	21.9615	19.7318	24.1912
4 h after light	12.667100000000001	11.7301	13.6041
8 h after light	11.6923	10.3319	13.0527
4 h after dark	20.682699999999997	20.2031	21.1623
8 h after dark	18.108	17.9666	18.2494
12 h after dark	19.0887	16.659	21.5184